Old
old / older / the oldest
Young
young / younger / the youngest
Big
big / bigger / the biggest
Small
small / smaller / the smallest
Good
good / better / the best
Bad
bad / worse / the worst
Fat
fat / fatter / the fattest
Thin
thin / thinner / the thinnest
Heavy
heavy / heavier / the heaviest
Happy
happy / happier / the happiest
Long
long / longer / the longest
Slow
slow / slower / the slowest
Fast
fast / faster / the fastest
Tall
tall / taller / the tallest
Short
short / shorter / the shortest
